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Treatment based on syndrome differentiation is the essence of traditional Chinese Medicine(TCM) and forms the individualized treatment. N-of-1 trials may be a good clinical effect evaluation method for the individualized treatment of TCM. This study aims to compare: (1) the efficacy of syndrome differentiation(individualized decoction) with placebo, (2)the efficacy of syndrome differentiation(individualized decoction) with the same prescription minus heat-clearing Chinese herbs, for patients with stable bronchiectasis through N-of-1 trials.
Traditional Chinese medicine is one of the important part of complementary and alternative medicine in the world, and it plays increasingly important role in the international medical practice. Treatment based on syndrome differentiation is the essence of traditional Chinese Medicine (TCM) and forms the individualized treatment. However, this individualized TCM intervention often makes it difficult for population-based RCTs to carry out a standard form. N-of-1 trials may be a good clinical effect evaluation method for the individualized treatment of TCM.
The key hypothesis of this study is that: (1) the efficacy of syndrome differentiation(individualized decoction) will be better than placebo in patients with stable bronchiectasis through N-of-1 trials. (2) the efficacy of syndrome differentiation(individualized decoction) will be better than the same prescription minus heat-clearing Chinese herbs in patients with stable bronchiectasis through N-of-1 trials. The difference of efficacy may be various according to the individual severity of phlegm-heat.
In this study, We will conduct a single center N-of-1 trials in 36 patients with stable bronchiectasis without hemoptysis and respiratory failure. These N-of-1 trials will be randomized, double-blind, crossover comparisons of individualized herbal decoction with control decoction within individual patients. Each n-of-1 trial has 3 pairs of treatment periods. The duration of each treatment period will be 4 weeks. We will compare :(1) the efficacy of syndrome differentiation(individualized decoction) with placebo, (2) the efficacy of syndrome differentiation(individualized decoction) with the same prescription minus heat-clearing Chinese herbs, in patients with stable bronchiectasis through N-of-1 trials. The primary outcome is patient self-reported symptoms(such as cough, expectoration, shortness of breath, chest pain, and fatigue) scores on a 7 point visual analogue scale. Secondary outcomes are 24-hour sputum volume and CAT（The COPD Assessment Test） scores. We use paired t test for single case. Mixed effects model taking account of "Carryover Effects" and meta-analysis will be used for a series of N-of-1 trials as a group.
Individualized Decoction, placebo, Tested drug minus heat-clearing herbs
Yueyang Hospital of Integrated Traditional Chinese and Western Medicine,Shanghai University of Traditional Chinese Medicine
Shanghai University of Traditional Chinese Medicine
Published on BioPortfolio: 2017-05-11T13:23:21-0400
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